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212222000010 = 23537461414731
BaseRepresentation
bin1100010110100101101…
…0101011101110001010
3202021210010010121121110
43011221122223232022
511434112313000020
6241254325551150
721222026144046
oct3055132535612
9667703117543
10212222000010
1182003871759
12351688754b6
1317021471847
14a3b33ab026
1557c14478e0
hex31696abb8a

212222000010 has 64 divisors (see below), whose sum is σ = 524234519424. Its totient is φ = 54943430400.

The previous prime is 212221999961. The next prime is 212222000033. The reversal of 212222000010 is 10000222212.

It is a self number, because there is not a number n which added to its sum of digits gives 212222000010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304345 + ... + 719075.

It is an arithmetic number, because the mean of its divisors is an integer number (8191164366).

Almost surely, 2212222000010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212222000010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262117259712).

212222000010 is an abundant number, since it is smaller than the sum of its proper divisors (312012519414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212222000010 is a wasteful number, since it uses less digits than its factorization.

212222000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415239.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212222000010 its reverse (10000222212), we get a palindrome (222222222222).

It can be divided in two parts, 212 and 222000010, that added together give a palindrome (222000222).

The spelling of 212222000010 in words is "two hundred twelve billion, two hundred twenty-two million, ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 461 555 922 1110 1383 2305 2766 4610 6915 13830 17057 34114 51171 85285 102342 170570 255855 414731 511710 829462 1244193 2073655 2488386 4147310 6220965 12441930 15345047 30690094 46035141 76725235 92070282 153450470 191190991 230175705 382381982 460351410 573572973 955954955 1147145946 1911909910 2867864865 5735729730 7074066667 14148133334 21222200001 35370333335 42444400002 70740666670 106111000005 212222000010